SN74F258DRE4 Equivalent & Substitute Parts

Part Overview

The SN74F258DRE4 is a 4 x 2:1 multiplexer logic integrated circuit manufactured by Texas Instruments in 16-SOIC surface mount packaging. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and component procurement.

The obsolete status of the SN74F258DRE4 necessitates locating substitute parts that maintain identical electrical and mechanical specifications to ensure seamless integration into existing designs without circuit modification.

Substiute Parts

SN74F258DRE4

Texas InstrumentsIn Stock: 898SN74F258DRE4 Datasheet

Current PartRFQ

SN74F257DR

Texas InstrumentsIn Stock: 5337SN74F257DR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SN74F258DRE4 is determined by strict equivalence across the following parameters:

• Circuit configuration: 4 x 2:1 multiplexer topology
• Package type: 16-SOIC surface mount form factor
• Electrical specifications: 4.5V ~ 5.5V supply voltage, 3mA/24mA output current ratings
• Operating temperature range: 0°C ~ 70°C
• Compliance certifications: ROHS3, REACH Unaffected status

The SN74F257DR meets all substitution criteria as a parametrically equivalent part with identical electrical and mechanical characteristics.

Parameter Comparison

Engineering Selection Recommendations

The SN74F257DR is a direct parametric equivalent to the SN74F258DRE4. Both components share identical electrical specifications, package geometry, and compliance certifications. The primary distinction is product status: the SN74F258DRE4 is obsolete while the SN74F257DR maintains active production status.

For new procurement and long-term component availability, the SN74F257DR is the appropriate selection. Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The SN74F257DR is available in Tape & Reel packaging, suitable for automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can the SN74F257DR directly replace the SN74F258DRE4 in existing designs?

A: Yes. The SN74F257DR is a parametric equivalent with identical electrical and mechanical specifications. No circuit modifications are required for substitution.

Q: What is the primary reason for substituting the SN74F258DRE4?

A: The SN74F258DRE4 is classified as obsolete. The SN74F257DR provides equivalent functionality with active product status and assured long-term availability.

Q: Are there packaging differences between these parts?

A: Both components use 16-SOIC surface mount packaging with identical dimensions (0.154", 3.90mm width). The SN74F257DR is supplied in Tape & Reel format, while the SN74F258DRE4 was supplied in standard packaging.

Q: Do these parts meet current compliance requirements?

A: Yes. Both the SN74F258DRE4 and SN74F257DR are ROHS3 compliant and REACH unaffected.

Q: Are the electrical specifications identical?

A: Yes. Supply voltage (4.5V ~ 5.5V), output current ratings (3mA/24mA), and operating temperature range (0°C ~ 70°C) are identical across both parts.